Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
thai cua » than cua, tai cuc, tri cua
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
sach ky » sac ky, sach y, sach kem
nang ho » nang hoc, nang co, tang ho
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
ho hai » hoc hai, pho hai, cho hai
ve cac » va cac, vien cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sach ty)) nang ho hai. hieu ve cac ((xuc van) or (duc va)) nhanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang ho hai. hieu ve cac ((xuc van) OR (duc va)) nhanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) nang ho hai. hieu ve cac ((xuc van) or (duc va)) nhanh thai cua tre*.